100v / 10ma regulator circuit
Posted on Mar 28, 2007
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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A 2 Watt audio amplifier made from discrete components. This was one of the earliest circuits...
With the P1 we regulate the intensity of sound. With the P2 we regulate the frequency of...
The sensitivity of receiver it is possible to increase itself considerably, if is interfered,...
For higher speed applications, up to 1-MHz NRZ, the Schmitt-trigger output HllL series...
Stepdown transformer T1 drops the incoming line voltage to approximately 48 Vac which is...
In this open-loop design, the detector diode is Dl, and a level shifting or compensating diode...
This FM radio-controlled anti- annexation anxiety can be acclimated with any agent accepting 6-...
This is a simple digital counter of pulses with 7-segment LED displays. There may be any number...
The Nixies I`m using have 10 cathodes (shaped like numerals) and a screen-like anode. These are...
When I was designing an off-line boost-mode switching power supply, I wanted to model the power...
FM Wireless Microphone Schematic. In some applications, the use of the microphone cable is...
This circuit was in EDN`s "design ideas" section in the March 5, 2007 issue. It`s a fairly simple...
This is a design circuit for converter that using for a very practical LM2623A ratio adaptive...
Control monitoring equipment at a TV repeater site. It had to accept commands sent as DTMF tones...
This circuit is similar to the one above but uses positive feedback to get a little more...
The schematic for this project is not terribly complex, however it is very important that you...
D/A conversion circuit by the DAC0832 and op amplifier LM358, etc., there are two bad-out...
Fans decorative light circuit in Figure 2-130, the circuit consists of step-down rectifier...
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